| Year | Value | | 2025 | 61,707,262 | | 2024 | 60,887,761 | | 2023 | 60,144,623 | | 2022 | 58,544,385 | | 2021 | 56,864,048 | | 2020 | 52,956,486 | | 2019 | 56,614,536 | | 2018 | 55,142,830 | | 2017 | 54,114,274 | | 2016 | 53,498,509 | | 2015 | 52,800,736 | | 2014 | 51,907,743 | | 2013 | 51,511,392 | | 2012 | 50,764,169 | | 2011 | 49,262,430 | | 2010 | 48,189,452 | | 2009 | 47,339,853 | | 2008 | 46,418,411 | | 2007 | 45,655,255 | | 2006 | 44,671,073 | | 2005 | 43,213,356 | | 2004 | 41,810,127 | | 2003 | 40,580,596 | | 2002 | 39,513,494 | | 2001 | 39,007,360 | | 2000 | 38,588,417 | | 1999 | 37,826,980 | | 1998 | 37,464,290 | | 1997 | 36,800,377 | | 1996 | 35,163,744 | | 1995 | 34,294,154 | | 1994 | 33,420,497 | | 1993 | 32,566,874 | | 1992 | 31,407,743 | | 1991 | 30,270,005 | | 1990 | 29,345,631 |
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